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New Patents: Tamron 70-130mm F2 FE and 200-400mm F4 FE Lens

According to HLN, Tamron has just filed two new lens patents for Sony full frame mirrorless cameras. They are Tamron 70-130mm f/2 FE Lens and Tamron 200-400mm f/4 FE Lens. Both the lenses are very fast telephoto zoom lenses.

Embodiment 6: 70-130mm F2

Focal Length 72.110 97.006 130.941

F number 2.060

ω 16.823 12.307 9.071

Y 21.633

TL 205.680

BF 20.170

Embodiment 5: 200-400mm F4

Focal length 203.875 290.974 388.046

F number 4.120

ω 5.854 4.108 3.087

Y 21.633

TL 310.000

BF 34.952

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